Tube-number record
5SP-A
0 archive entries
5SP-A is a tube type in the TubeDatabase archive (class: Cathode-Ray Tube). Recorded specifications: brand Du Mont, construction Beam tetrode / beam power, base Medium Shell Diheptal 12-Pin, socket CRT base (B12 family), maximum plate voltage 2500 V, and maximum plate dissipation 6 W. The archive does not yet hold a photographed example of this type.
BrandDu Mont
ClassCathode-Ray Tube
BaseCRT base (B12 family)
Filament6.3 V @ 600 mA
Construction
Primary TypeBeam tetrode / beam power
EnvelopeGlass
Base MaterialMedium Shell Diheptal 12-Pin
Sections2
Filament / Heater
Heater NotesIndirectly heated
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Post-Accelerator 3000V | 1500 V | — | — | — | — |
| Post-Accelerator 4000V | 2000 V | — | — | — | — |
Application Notes
The product of Accelerator Voltage and Average Accelerator current should be limited to 6 watts. Corresponding traces of each gun are within 1 degree of each other.
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